JP2005531200A - 通信システムおよびそのための方法 - Google Patents

通信システムおよびそのための方法 Download PDF

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Publication number
JP2005531200A
JP2005531200A JP2004515652A JP2004515652A JP2005531200A JP 2005531200 A JP2005531200 A JP 2005531200A JP 2004515652 A JP2004515652 A JP 2004515652A JP 2004515652 A JP2004515652 A JP 2004515652A JP 2005531200 A JP2005531200 A JP 2005531200A
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signal
adaptive filter
filter
block
adaptive
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Japanese (ja)
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JP2005531200A5 (enExample
Inventor
エフ．シー． ペソア、ルシオ
エイ． ダイバ、ローマン
ピー． ヒー、ペリー
エイ スミス、ロジャー
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NXP USA Inc
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NXP USA Inc
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Publication of JP2005531200A publication Critical patent/JP2005531200A/ja
Publication of JP2005531200A5 publication Critical patent/JP2005531200A5/ja
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/20—Automatic or semi-automatic exchanges with means for interrupting existing connections; with means for breaking-in on conversations
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/20—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other
    • H04B3/23—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other using a replica of transmitted signal in the time domain, e.g. echo cancellers

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Telephone Function (AREA)
JP2004515652A 2002-06-24 2003-04-24 通信システムおよびそのための方法 Pending JP2005531200A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/178,560 US7388954B2 (en) 2002-06-24 2002-06-24 Method and apparatus for tone indication
PCT/US2003/013398 WO2004002002A1 (en) 2002-06-24 2003-04-24 Communication system and method therefor

Publications (2)

Publication Number Publication Date
JP2005531200A true JP2005531200A (ja) 2005-10-13
JP2005531200A5 JP2005531200A5 (enExample) 2006-08-10

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JP2004515652A Pending JP2005531200A (ja) 2002-06-24 2003-04-24 通信システムおよびそのための方法

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US (1) US7388954B2 (enExample)
EP (1) EP1516437A1 (enExample)
JP (1) JP2005531200A (enExample)
KR (1) KR20050012826A (enExample)
CN (1) CN1672341B (enExample)
AU (1) AU2003234297A1 (enExample)
WO (1) WO2004002002A1 (enExample)

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* Cited by examiner, † Cited by third party
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JP2006352450A (ja) * 2005-06-15 2006-12-28 Oki Electric Ind Co Ltd エコーキャンセラ
JP2008182473A (ja) * 2007-01-24 2008-08-07 Oki Electric Ind Co Ltd エコーキャンセラ及びエコーキャンセル方法
JP2020507955A (ja) * 2017-01-13 2020-03-12 シュアー アクイジッション ホールディングス インコーポレイテッドＳｈｕｒｅ Ａｃｑｕｉｓｉｔｉｏｎ Ｈｏｌｄｉｎｇｓ，Ｉｎｃ． ミキシング後音響エコーキャンセルシステム及び方法

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JP4547042B2 (ja) * 2008-09-30 2010-09-22 パナソニック株式会社 音判定装置、音検知装置及び音判定方法
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US20110013766A1 (en) * 2009-07-15 2011-01-20 Dyba Roman A Method and apparatus having echo cancellation and tone detection for a voice/tone composite signal
US8406431B2 (en) * 2009-07-23 2013-03-26 Sling Media Pvt. Ltd. Adaptive gain control for digital audio samples in a media stream
US20110103500A1 (en) * 2009-10-30 2011-05-05 Qualcomm Incorporated Methods and apparatus for estimating a sparse channel
CN101924717B (zh) * 2010-04-27 2012-12-05 三维通信股份有限公司 一种基于信道初估计的变步长自适应回波干扰抵消方法
US8447595B2 (en) * 2010-06-03 2013-05-21 Apple Inc. Echo-related decisions on automatic gain control of uplink speech signal in a communications device
US9065690B2 (en) * 2011-05-02 2015-06-23 Mediatek Inc. Method and apparatus for performing channel shortening equalization with frequency notch mitigation
US9386127B2 (en) 2011-09-28 2016-07-05 Open Text S.A. System and method for data transfer, including protocols for use in data transfer
CN103259563B (zh) * 2012-02-16 2015-11-25 联芯科技有限公司 自适应滤波器发散检测方法及回声消除系统
GB201309771D0 (en) 2013-05-31 2013-07-17 Microsoft Corp Echo removal
GB201309779D0 (en) * 2013-05-31 2013-07-17 Microsoft Corp Echo removal
GB201309773D0 (en) 2013-05-31 2013-07-17 Microsoft Corp Echo removal
GB201309777D0 (en) 2013-05-31 2013-07-17 Microsoft Corp Echo suppression
GB2521881B (en) 2014-04-02 2016-02-10 Imagination Tech Ltd Auto-tuning of non-linear processor threshold
US20150327035A1 (en) * 2014-05-12 2015-11-12 Intel Corporation Far-end context dependent pre-processing
US9837065B2 (en) * 2014-12-08 2017-12-05 Ford Global Technologies, Llc Variable bandwidth delayless subband algorithm for broadband active noise control system
CN105744009B (zh) * 2014-12-08 2018-12-14 上海航天有线电厂有限公司 一种用于电台通信系统的短波中继接口装置
US9660674B2 (en) * 2015-07-16 2017-05-23 LGS Innovations LLC Self-interference cancellation antenna systems and methods
US9691413B2 (en) * 2015-10-06 2017-06-27 Microsoft Technology Licensing, Llc Identifying sound from a source of interest based on multiple audio feeds
CN106931993B (zh) * 2017-03-02 2019-06-07 西北工业大学 一种量测窗长自适应滑动的时变参数估计方法
US10652398B2 (en) * 2017-08-28 2020-05-12 Theater Ears, LLC Systems and methods to disrupt phase cancellation effects when using headset devices
CN119889334A (zh) * 2019-08-30 2025-04-25 杜比实验室特许公司 针对机器感知预调节音频
CN112073015B (zh) * 2020-04-02 2024-09-10 昆山聂尔精密仪器有限公司 一种自动增益反馈控制方法及装置
US12155789B2 (en) * 2022-06-20 2024-11-26 Motorola Mobility Llc Adjusting transmit audio at near-end device based on background noise at far-end device
US12444398B1 (en) * 2023-09-27 2025-10-14 Amazon Technologies, Inc. Manifold learning for sound field estimation

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006352450A (ja) * 2005-06-15 2006-12-28 Oki Electric Ind Co Ltd エコーキャンセラ
JP2008182473A (ja) * 2007-01-24 2008-08-07 Oki Electric Ind Co Ltd エコーキャンセラ及びエコーキャンセル方法
US8073133B2 (en) 2007-01-24 2011-12-06 Oki Electric Industry Co., Ltd. Echo canceler and echo canceling method
JP2020507955A (ja) * 2017-01-13 2020-03-12 シュアー アクイジッション ホールディングス インコーポレイテッドＳｈｕｒｅ Ａｃｑｕｉｓｉｔｉｏｎ Ｈｏｌｄｉｎｇｓ，Ｉｎｃ． ミキシング後音響エコーキャンセルシステム及び方法
JP7127032B2 (ja) 2017-01-13 2022-08-29 シュアー アクイジッション ホールディングス インコーポレイテッド ミキシング後音響エコーキャンセルシステム及び方法

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Publication number Publication date
KR20050012826A (ko) 2005-02-02
AU2003234297A1 (en) 2004-01-06
EP1516437A1 (en) 2005-03-23
US7388954B2 (en) 2008-06-17
CN1672341A (zh) 2005-09-21
US20030235312A1 (en) 2003-12-25
CN1672341B (zh) 2011-07-06
WO2004002002A1 (en) 2003-12-31

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